From Cppreference
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| fmtflags flags() const;
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| fmtflags flags( fmtflags flags );
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Manages format flags.
1) returns current formatting setting
2) replaces current settings with given ones.
Parameters
| flags
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| new formatting setting. It can be a combination of the following constants:
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| Constant
| Explanation
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| dec
| uses decimal base for conversions
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| oct
| use octal base for conversions
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| hex
| use hexadecimal base for conversions
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| basefield
| dec|oct|hex. Useful for masking operations
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| left
| left adjustment (adds fill characters to the right)
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| right
| right adjustment (adds fill characters to the left)
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| internal
| internal adjustment (adds fill characters to the internal designated point)
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| adjustfield
| left|right|internal. Useful for masking operations
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| scientific
| generate floating point types using scientific notation
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| fixed
| generate floating point types using fixed notation
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| floatfield
| scientific|fixed. Useful for masking operations
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| boolalpha
| insert and extract bool type in alphanumeric format
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| showbase
| generate a prefix indicating the numeric base for integer number output
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| showpoint
| generate a decimal-point character unconditionally for floating-point number output
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| showpos
| generate a + character for non-negative numeric output
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| skipws
| skip leading whitespace before certain input operations
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| unitbuf
| flush the output after each output operation
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| uppercase
| replace certain lowercase letters with their uppercase
equivalents in certain output output operations
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Return value
the formatting flags before the call to the function
Example
See also
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| sets specific format flag
(public member function)
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| clears specific format flag
(public member function)
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